Table of Contents
1 特性................................................................................... 1
2 应用................................................................................... 1
3 说明................................................................................... 1
4 Revision History.............................................................. 2
5 Device Comparison......................................................... 4
6 Pin Configuration and Functions...................................5
7 Specifications.................................................................. 7
7.1 Absolute Maximum Ratings ....................................... 7
7.2 ESD Ratings .............................................................. 7
7.3 Recommended Operating Conditions ........................7
7.4 Thermal Information ...................................................7
7.5 Electrical Characteristics ............................................8
7.6 Timing Requirements ...............................................10
7.7 Timing Diagrams ...................................................... 11
7.8 Typical Characteristics.............................................. 13
8 Detailed Description......................................................16
8.1 Overview................................................................... 16
8.2 Functional Block Diagram......................................... 16
8.3 Feature Description...................................................17
9 Device Functional Modes............................................. 25
10 Application and Implementation................................ 26
10.1 Adjustable Voltage Thresholds............................... 26
10.2 Application Information........................................... 27
10.3 Typical Application.................................................. 27
11 Power Supply Recommendations..............................29
11.1 Power Dissipation and Device Operation................29
12 Layout...........................................................................30
12.1 Layout Guidelines................................................... 30
12.2 Layout Example...................................................... 30
12.3 Creepage Distance................................................. 31
13 Device and Documentation Support..........................32
13.1 Device Nomenclature..............................................32
13.2 支持资源..................................................................33
13.3 Trademarks.............................................................33
13.4 Electrostatic Discharge Caution..............................33
13.5 术语表..................................................................... 33
14 Mechanical, Packaging, and Orderable
Information.................................................................... 33
4 Revision History
注：以前版本的页码可能与当前版本的页码不同
Changes from Revision A (January 2021) to Revision B (September 2021) Page
• 更新了数据表的标题并删除了器件型号中的“x”.............................................................................................. 1
• 更新了典型 I
DD
与 V
DD
曲线，并添加了 DYY 封装作为产品预发布.................................................................... 1
• Edited Device Comparison Table and added DYY package...............................................................................4
• Edited DSK package figure, added DYY package figure and updated Pin Functions Table.............................. 5
• Added SENSEx undervoltage (UV) and overvoltage (OV) timing diagrams.....................................................11
• Updated the typical characteristic curves......................................................................................................... 13
• Updated Functional Block Diagram.................................................................................................................. 16
• Edited both Power Cycle figures (SENSE Outside and With in Nominal Voltage)........................................... 17
• Moved Common Hysteresis Lookup Table to SENSE Hysteresis section and added hysteresis examples.... 19
• Added min and max reset time delay equations...............................................................................................22
• Added min and max sense time delay equations............................................................................................. 23
• Edited manual reset (MR) timing diagram........................................................................................................ 24
• Updated Table 9-2 description from "Undervoltage" to "Overvoltage"..............................................................25
• Added equations to solve for R1 and schematic figure.................................................................................... 26
• Updated layout guidelines and example drawing. Added DYY example drawing............................................ 30
Changes from Revision * (August 2020) to Revision A (January 2021) Page
• APL 更新.............................................................................................................................................................1
• 添加了典型电源电流与 VDD 曲线并修改了“说明”部分................................................................................... 1
• Edited Device Comparison Table........................................................................................................................4
• Edited both Power Cycle figures (SENSE Outside and Within Nominal Voltage)............................................ 17
• Corrected the Hysteresis titles for both Undervoltage figures.......................................................................... 19
• Corrected Channel 1 of TPS37E from Open-Drain Low to Open-Drain High in Output Logic table.................21
• Added reset time delay discharge guideline..................................................................................................... 22
• Added sense time delay discharge guideline................................................................................................... 23
• Added Device Functional Modes tables........................................................................................................... 25
TPS37-Q1
ZHCSMU6B – AUGUST 2020 – REVISED SEPTEMBER 2021
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